ToxReason - Hallucination Avoidance: leaderboard

Metric: Hallucination avoidance (0-10) of the mechanistic explanation, scored 0 to 10 by a Claude Sonnet 4.5 judge against the reference adverse outcome pathway, on the ToxReason test set (query chemicals with curated human CTD toxicity labels and adverse outcome pathway context, eight retrieved activation and inhibition examples from similar compounds), zero-shot, temperature 0; higher is better. Source: arxiv.org. Saturation forecast: Around September 2028. 11 models tracked.

Top models

#ModelScore
1GPT-55.63
2GPT-5.15.61
3O35.34
4GPT-4o4.93
5Gemma 3 27B (IT)4.88
6O4 Mini4.81
7Llama 3.1 70B Instruct4.55
8DeepSeek R1 Distill Llama 70B4.51
9Qwen 2.5 14B Instruct4.49
10Qwen 3 4B Instruct4.34
11Llama 3.1 8B Instruct3.27

Interactive version: theaggregate.ai/benchmark?slug=toxreason-hallucination-avoidance · How It Works · Data refreshed daily, snapshot 2026-10-07.